Comparison

Chord NOTE vs Open String Guitar Chords

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Chord NOTE

This app helps songwriters find chords that match melodies and provides tools for creating chord progressions. It also includes a scale library and can display vocal pitch to aid in composition.

Highlights
  • Chord finding for melodies
  • Chord Progression function
  • Scale library
  • Vocal pitch display
  • Key finding
  • iPad Split View/Slide Over support
Read full description

Chord NOTE is a Songwriter’s assistant tool. It assists in finding the right chords to match a melody or musical phrase. And it has great Chord Progression function and Scale library. Chord NOTE supports Slide Over and Split View on iPad, and provides the appropriate display and operation for iPhone and iPad. You wrote new melody came into your mind, but you could not apply some chords for your melody… At a time like this, you can get guides to find some chords that match your melody by Chord NOTE. If you have composed some songs already, you know almost melody and chord have some same notes. Because the main part of melody is made up of constituent notes of chord in most cases. In the same way, you’ll be able to find Key to match your melody by Chord NOTE. So Chord NOTE is very useful for finding the chord and key. If you record your singing melody, you can display the pitch of your voice. And you can sketch your songs by Chord Progression function. Chord Progression function will provide numerous features for you. Chord NOTE supports widening the imagination of your wings for real composer. Advanced Option : Chord NOTE works fine without this option. However, when you’ll buy this low price add-on, you can use more Chords and Scales. It will provide a complete set usually. You can read full function description at support page. http://therootage.com/iphone/chord-note-en/

About

Open String Guitar Chords

Explore a vast collection of open string guitar chords with multiple voicings and transposition options. This app provides instant playback, optimal fingerings, and scale degree information for musicians of all levels.

Highlights
  • 596 open string chords
  • Chord transposition with capo
  • Optimal fingerings provided
  • Instant chord playback
  • 3 guitar sound banks
  • Scale degree display
Features
Read full description

This application contains a unique collection of beautiful air open string chords which differs drastically from our other previously released chord applications. Thanks to the open strings you can get a very wide fingerings, and when you transpose chord you can use a capo. In the 1960's one of the first guitarists who used open-string chords was Chet Atkins and Merle Travis. After, such guitarists as Lenny Breau and Tommy Emmanuel were using these chords in their music. Later, chords with open strings were used by such famous great guitarists as John McLaughlin, Pat Metheny, Paco de Lucia, Al Di Meola, Nuno Bettencourt and others. These chords are found in all styles of music, from classical to progressive metal. Open String Guitar Chords app is not only just a collection of chords (when "Slow" or "Fast" behavior selected), but it also shows their possible voicings (when "Auto" behavior selected). Both beginners and professionals can benefit from this app and take enough material for their music. ●●●●● Features: --------------- ● 596 different open string chords, which can be easily transposed (using a capo) to any desired key, resulting in about 5,000 of total open string chords! ● transpose chords to any desired key by dragging notes on the screen with your finger. A capo will appear on the fretboard when you transpose open string chords ● only the best sounding chords were selected for you and presented in this collection ● every chord provided with corresponding optimal fingerings for your comfort ● degree feature to see scale degree of selected note ● instant playback of selected chord with acoustic guitar sounds ● 3 guitar sound banks to select from: Acoustic, Piezo and Chorused ● note names are displayed inside the playback cursor ● sharp and flat signatures correspond to the current chord's key ● 3 modes (behaviors) of chord's playback: Slow, Fast and Auto ● manual step by step note playback in both directions ● manual note selection by tapping notes on the screen ● designed for both iPhone and iPad For support and more info about this and other products please visit our website: http://www.fonexsis.com

Screenshots

Chord NOTE4 screens
Open String Guitar Chords4 screens

Verdict

The call

The clearest difference is rating: Open String Guitar Chords at 4.7 against Chord NOTE's 3.0. Open String Guitar Chords also leads on review sentiment (100% vs 62%) and in-app purchases (none vs 1). Chord NOTE's advantage is price ($2.99 vs $6.99) and update cadence (every 2 months vs every 7 months). On ratings volume, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Chord NOTE costs $2.99 and Open String Guitar Chords $6.99 up front. Chord NOTE sells 1 one-off in-app purchase. Open String Guitar Chords asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Open String Guitar Chords holds the better App Store score, 4.7 against 3.0. Both are backed by a comparable volume of ratings — 3 and 3 respectively. Written reviews point the same way: 62% of Chord NOTE's written reviews are positive against 100% of Open String Guitar Chords's.

UpkeepUpdate frequency

Chord NOTE ships an update every 2 months, Open String Guitar Chords every 7 months. The most recent releases landed on September 7, 2026 and September 18, 2026 respectively.

Scorecard7 real differences · 3 level
Chord NOTE versus Open String Guitar Chords: the parameters behind the verdict, then further details
ParameterChord NOTEOpen String Guitar Chords
Price$2.99 — better$6.99
Rating3.0 (3 ratings)4.7 (3 ratings) — better
Positive reviews61.5% of reviews100.0% of reviews — better
Number of ratings33
Update frequencyEvery 2 months — betterEvery 7 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.111.0 — better
Further details — not scored
Size31 MB34 MB
Age rating4+4+
DeveloperHidenori MatsuokaFonexsis

Customer experience

Chord NOTE

All ratings3 ratings
Positive33.3%
Neutral33.3%
Negative33.3%
Written reviews13 reviews
Positive61.5%
Neutral23.1%
Negative15.4%

Open String Guitar Chords

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

Chord NOTE

One-time1
  • Advanced Option$1.99
None

Open String Guitar Chords

No in-app purchases

Questions

Is Chord NOTE free?
Chord NOTE costs $2.99, and also offers in-app purchases.
Is Open String Guitar Chords free?
Open String Guitar Chords costs $6.99, with no in-app purchases.
Which has better reviews, Chord NOTE or Open String Guitar Chords?
Open String Guitar Chords is rated higher. Chord NOTE averages 3.0 out of 5 from 3 ratings, while Open String Guitar Chords averages 4.7 from 3 ratings.
Do Chord NOTE or Open String Guitar Chords have ads?
Neither Chord NOTE nor Open String Guitar Chords shows ads.
Which is updated more often, Chord NOTE or Open String Guitar Chords?
Chord NOTE ships an update every 2 months, and Open String Guitar Chords every 7 months. Most recently, Chord NOTE was updated on September 7, 2026 and Open String Guitar Chords on September 18, 2026.

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